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Chapter 4: Motherboard Connections
PCI Slot SMB Enable/Disable
Use jumpers JI
2
C1/JI
2
C2 to enable PCI SMB (System Management Bus) support to improve
system management for the PCI slots. The default setting is Disabled.
Audio Enable (JPAC1)
JPAC1 allows you to enable or disable the onboard audio support. The default position is
Enabled.
HD Audio Enable (JHD_AC1)
JHD_AC1 allows you to enable or disable the onboard High Definition audio support. The
default setting is Enabled.
LAN1/2 Enable/Disable
Change the setting of jumper JPL1 and JPL2 to enable or disable the LAN1 and LAN2
Ethernets ports, respectively. The default setting is Enabled.
PCI Slot SMB
Enable/Disable
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Enabled
Pins 2-3
Disabled
Audio Enable/Disable
Jumper Settings
Jumper Setting
Definition
Pins 1-2
Enabled
Pins 2-3
Disabled
HD Audio Enable/Disable
Jumper Settings
Jumper Setting
Definition
Open
Enabled
Closed
Disabled